Example
Set a datetime field to read-only:
document.getElementById("myDatetime").readOnly = true;
The result will be:
Definition and Usage
The readOnly property sets or returns whether a datetime field should be read-only, or not.
A read-only field cannot be modified. However, a user can tab to it, highlight it, and copy the text from it.
This property reflects the HTML readonly attribute.
Tip: To prevent the user from interacting with the field, use the disabled property instead.
Browser Support
| Property | |||||
|---|---|---|---|---|---|
| readOnly | Yes | 10.0 | Yes | Yes | Yes |
Note: The <input type="datetime"> element does not show any datetime field/calendar in any major browsers, except Safari.
Syntax
Return the readOnly property:
datetimeObject.readOnly
Set the readOnly property:
datetimeObject.readOnly=true|false
Property Values
| Value | Description |
|---|---|
| true|false |
Specifies whether a datetime field should be
read-only, or not
|
Technical Details
| Return Value: | A Boolean, returns true if the datetime field is read-only, otherwise it returns false |
|---|
More Examples
Example
Find out if a datetime field is read-only or not:
var x = document.getElementById("myDatetime").readOnly;
The result of x will be:
true
Try it Yourself »
Related Pages
HTML reference: HTML <input> readonly attribute
< Input Datetime Object